This program mostly learned form dranger's An ffmpeg and SDL Tutorial. The tutorial's code use SDL1.x APIs to display video, Some part of tutorial's code is modified to adjust SDL2 library, as some APIs in SDL2 is diffrent form SDL1.x.

Before compiling and running this program, you must have installed ffmpeg 4.2.x and SDL2 from source code in your system, otherwise it may occurs some unexpected errors.

Building command:

make

Running command:

./tutorial-sdl2-player <videoPath>

Cleaning command:

make clean

use the ↑ ↓ ← → buttons to seek the video.

• ↑: 60s
• ↓: - 60s
• ←: - 10s
• →: 10s

• sync the video&audio to external clock
• play/stop buttons and its functions

PIX_FMT_YUV420P --> AV_PIX_FMT_YUV420P
av_dup_packet --> av_packet_ref
av_packet_free --> av_packet_unref
av_codec_decode_video2/audio4 --> avcodec_send_packet/avcodec_receive_frame
av_picture_full --> av_frame_get_buffer

get_buffer
codecCtx->release_buffer = release_buffer